CN107848419A - Vehicle optical projection system - Google Patents

Vehicle optical projection system Download PDF

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Publication number
CN107848419A
CN107848419A CN201680044387.8A CN201680044387A CN107848419A CN 107848419 A CN107848419 A CN 107848419A CN 201680044387 A CN201680044387 A CN 201680044387A CN 107848419 A CN107848419 A CN 107848419A
Authority
CN
China
Prior art keywords
vehicle
projection system
optical projection
display
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201680044387.8A
Other languages
Chinese (zh)
Inventor
G·C·布朗
J·M·克比
K·T·加哈根
J·A·韦斯特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Inc
Original Assignee
Corning Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Corning Inc filed Critical Corning Inc
Publication of CN107848419A publication Critical patent/CN107848419A/en
Withdrawn legal-status Critical Current

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/48Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • G03B17/54Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00Arrangement of adaptations of instruments
    • B60K35/213
    • B60K35/23
    • B60K35/28
    • B60K35/29
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/22Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
    • B60R1/23Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/29Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area inside the vehicle, e.g. for viewing passengers or cargo
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/31Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles providing stereoscopic vision
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/037Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for occupant comfort, e.g. for automatic adjustment of appliances according to personal settings, e.g. seats, mirrors, steering wheel
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2013Plural light sources
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2033LED or laser light sources
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013Eye tracking input arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/63Control of cameras or camera modules by using electronic viewfinders
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/3147Multi-projection systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/315Modulator illumination systems
    • H04N9/3161Modulator illumination systems using laser light sources
    • B60K2360/176
    • B60K2360/182
    • B60K2360/21
    • B60K2360/333
    • B60K2360/334
    • B60K2360/336
    • B60K2360/344
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/20Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used

Abstract

This technology is related to a kind of vehicle optical projection system, and it includes being configured to the light source for providing output beam.Light-dividing device is coupled to light source with Rreceive output light beam.Two or more optical fiber are coupled to light-dividing device to receive the output beam of the separation from light-dividing device.Two or more projector apparatus are coupled to two or more optical fiber.Two or more projector apparatus are configured to use the light received from the output beam of separation to provide one or more display images on one or more of vehicle display surface.Also disclose that a kind of vehicle including vehicle optical projection system and the method that multiple opening positions in vehicle provide display image.

Description

Vehicle optical projection system
Field
This application claims the U. S. application No.62/169 submitted on June 2nd, 2015,800 benefit of priority, the Shen Content please is incorporated by reference in its entirety.
This technology is related to vehicle optical projection system, includes the vehicle of the vehicle optical projection system, and using the system with The method that multiple opening positions in vehicle provide display image.
Background
With the popularization of smart mobile phone and other internet connection apparatus, people, which are increasingly able to access in various positions, to be believed Breath, so as to cause the life style more interconnected.It is expected to maintain this interconnection life style when traveling.Correspondingly, now Vehicle combine to passenger provide access information, amusement etc. numerous displays, such as interactive console, instrument panel display or regard Frequency screen.Some displays can also be used to increase the overall security of vehicle, such as provide necessary warning.Car Designer is look for new Display Technique to increase the security of vehicle and comfortableness, while provides desired interconnection life Mode.
The increase of display device quantity causes several shortcomings in vehicle.Greater number of electronic console and equipment can be led Them are caused to maintain the increase of the plant maintenance demand of normal operating conditions.The increase of number of devices can also cause to multiply in individual Trouble in visitor, the sight of these passengers can simultaneously be directed to different equipment.More importantly, display can be to vehicle Operator cause to divert one's attention.In addition, display can simply detract the overall appearance of vehicle interior.
It is contemplated that overcome these and other defects of the prior art.
The content of the invention
One aspect of the present invention is related to a kind of vehicle optical projection system, and it includes being configured to the light for providing output beam Source.Light-dividing device is coupled to light source with Rreceive output light beam.Two or more optical fiber are coupled to light-dividing device to be come with receiving From the output beam of the separation of light-dividing device.Two or more projector apparatus are coupled to two or more optical fiber.This two Individual or multiple projector apparatus are configured to using the light received from the output beam of separation in one or more of vehicle One or more display images are provided on display surface.
Another aspect of the present invention is related to a kind of vehicle for including vehicle optical projection system.One or more display surface quilts It is configured to receive one or more display images from two or more projector apparatus.
The further aspect of the present invention is related to a kind of method that display image is provided in vehicle.This method includes providing Vehicle optical projection system.Output beam is separated among two or more optical fiber.Separated output beam by this two or Multiple optical fiber are directed into two or more projector equipments.Using from the light that output beam receives that the one or more is aobvious One or more display surfaces that diagram picture is selectively supplied in vehicle.
This technology advantageously provides the vehicle projection that display is provided using various opening positions of the single source in vehicle System.The applicability of the enhancing of system is provided using single source, while reduces totle drilling cost.This technology advantageously further provides Enough luminous fluxes to generate display image in the sunlight.It is easypro to strengthen that vehicle optical projection system allows optionally to place display Adaptive and security.Security is added for example, display information is placed closer to pilot's line of vision, while reduces instrument board and sets The cost and complexity of meter.
Brief description of the drawings
Fig. 1 is the block diagram of exemplary vehicle optical projection system.
Fig. 2 is the top perspective for the example vehicle for including exemplary vehicle optical projection system.
Fig. 3 is with the projector apparatus that one or more display images are provided on the exemplary display surface of vehicle Fig. 2 example vehicle top perspective.
Embodiment
This technology is related to vehicle optical projection system, includes the vehicle of the vehicle optical projection system, and multiple in vehicle The method that opening position provides display image.
An aspect of this disclosure is related to a kind of vehicle optical projection system, and it includes being configured to the light for providing output beam Source.Light-dividing device is coupled to light source with Rreceive output light beam.Two or more optical fiber are coupled to light-dividing device to be come with receiving From the output beam of the separation of light-dividing device.Optical fiber can be configured as fiber waveguide or photoconductive tube.Two or more projecting apparatus are set It is standby to be coupled to two or more optical fiber.Two or more projector apparatus are configured to use the output beam from separation The light received provides one or more display images on one or more of vehicle display surface.
Fig. 1 illustrates one embodiment of vehicle optical projection system.Vehicle optical projection system includes light source, two or more light Fibre, light-dividing device, two or more projector apparatus and control process unit, although vehicle optical projection system is in other configurations The equipment or element of other quantity can be included.The vehicle optical projection system of this technology is advantageously provided using single source in vehicle Various surfaces on selectivity show.Vehicle optical projection system can be used in any kind of vehicle, such as automobile, card Car, bus, ship, caravan, aircraft etc., although it is anticipated that other purposes of optical projection system.
Vehicle optical projection system includes being configured to provide for the light source of output beam.In various embodiments, output beam can be with It is collimation or non-aligned.Light source, which is located at, can pass in and out for the single position in the vehicle in the region of maintenance light source In, such as only as an example, in the luggage case of vehicle.In one example, light source is laser, such as distributed Bragg Reflector (DBR) laser, distributed Feedback (DFB) laser, Vcsel (VCSEL), diode pumping Pu solid-state laser (DPSS), natural green laser (native green laser), vertical external cavity surface emitting laser (VECSEL) or Fabry-Perot (Fabry-Perot) laser, although other types of laser can also be used.Have Various types of lasers of different wave length can be used alone or in combination to provide output beam.Other non-solid types Laser (such as gas laser, tunable dye laser or optical fiber laser) can be used alternatively.At another In example, only as an example, light source includes one or more solid state light emitters (such as light emitting diode matrix) to provide output light Beam.Light source is configured to provide enough power outputs to generate the readable image of daylight from projector apparatus.Light source output Power can be selected based on display application.
In still another example, light source can be the composite light source for including one or more individually light sources, multiple independent Light source is operable as launching the coherent beam of the green with visible spectrum, blueness and the wavelength in RED sector respectively, although More or less light sources can be used in composite light source.
Output beam (or output beam for composite light source) can by with various optical components (such as lens and mirror Son) combine and collimate to produce the collimated output beam for vehicle optical projection system.Light source, which can be located at, includes optical section In the housing of part and heat management and cooling-part.
In one embodiment, scanning projector equipment can be combined to operate light source, projector apparatus is come to reduce Projected image in speckle (speckle) and image flickering (flicker), such as example in Gollier United States Patent (USP) No.8, Disclosed in 585,206, the disclosure of which is incorporated herein by reference in their entirety herein.
Light source is coupled to the light-dividing device of such as optical splitter or optical multiplexer etc, although it can also be used His light-dividing device.In the exemplary embodiment, light-dividing device is coupled to the optical splitter of light source to receive from the defeated of light source Go out light beam and separate output beam.Optical splitter can separate including actively or passively switch piece among various projector apparatus Output beam.Include MEMS (MEMS) equipment available for the different handoff techniques for switching light between light path, such as make With digital micromirror array or the part of grating array.Acousto-optic modulator (AOMS) and electrooptic modulator (EOM) can be in optical splitters Inside it is alternatively used.Optical splitter can be coupled to the control process unit of such as computer or microprocessor, be used for The sequential for the switching that control is performed by optical splitter.
In another embodiment, light-dividing device is optical multiplexer.In one example, optical multiplexer Such as Cobb United States Patent (USP) No.8, function is played described in 444,272, the disclosure of which is integrally incorporated by quoting Herein.For example, such as United States Patent (USP) No.8, described in 444,272, time division multiplexing can be utilized to work as in projector apparatus Middle separation output beam, although other multiplexing technologies can also be used.
The segmentation of light among projector apparatus is controlled by control process unit.Depending on showing for various projector apparatus Show (that is, light output) requirement, light-dividing device can be utilized unequally to separate the output beam from light source.
One of the advantages of being used to same light source being switched to different projecting apparatus using optical multiplexer is light source sheet Body opens and closes with being not repeated, but is continuously kept it turned on during projector operation.Solid state light emitter or other light sources Repetition on/off switch shorten component life.In addition, for certain form of transmitting equipment, open every time possible during equipment Initial settling time is needed, such as wavelength stability.By the way that light source is maintained into excitation state and is sequentially switched to not With projecting apparatus eliminate the needs to this stabilization time.The advantages of another is notable is related to efficiency and the gained that can be realized Brightness.
Separated output beam is delivered to projector apparatus via optical fiber cable from light-dividing device.In an example In, optical fiber cable is configured as reducing the flicker (sparkle) in the image of display.In another example, optical fiber cable It is multimode fibre.In still another example, optical fiber can be light diffusion optical fiber, such as by Corning Incorporated (Corning Incorporated) the Fibrance of productionTMOptical fiber, to provide the illumination of combination and display feature.In further example, Optical fiber can handle the high optical power density in visible wavelength range.As shown in Fig. 2 optical fiber will can select from light-dividing device The light beam provided to selecting property is routed to multiple projector apparatus by vehicle.In one example, vehicle optical projection system is further Interlock system can be included, LASER Light Source is closed with the generation fibercuts in vehicle or in the case of detecting smog.
Referring more specifically to Fig. 2, projector apparatus is positioned in the various opening positions in vehicle, and be configured with from The output beam of the separation that light-dividing device receives provides display image on the surface of vehicle.Only as an example, display figure The related image of navigation as such as map denotation etc can be included, road hazard warning, such as speedometer or odometer it The display of the vehicular meter of class, illumination feature, design feature, image from outside vehicle or inside etc..It is pre- using this technology Phase can use various other display images that projector apparatus is formed.
Projector apparatus is positioned based on the desired display surface for institute's projected image and is oriented to avoid vehicle Interference of the interior passenger to display image, as shown in Figure 3.It is expected that a plurality of locations of the projector apparatus throughout vehicle.Projection Instrument equipment can further be oriented to provide specific visual angle for the specific passenger of vehicle.
Only as an example, projector apparatus can be Digital Light Processing apparatus (DLP) projecting apparatus, although it can also be used The projector apparatus of his type, such as micro projector liquid crystal over silicon (LCOS) or LCD projector.
In one example, multiple projector apparatus are located in vehicle to provide display at the specified display surface of vehicle Image.As an example, display surface can include windshield, window, mirror, pillar, the side panel of door, headrest, instrument board, control Platform processed, the seat of vehicle, or its any part, although the other surfaces in vehicle can be used.
In some instances, display surface is at least partly transparent for visible ray.Ambient light (such as outside vehicle The daylight in portion) display image when being projected on such display surface can be made to be difficult or impossible to see.Show at some In example, dimmed material can be included in display surface of projection-display image thereon or part thereof, it is such as inorganic or organic The scattered liquid crystal of photochromic or electrochromic material, suspended particulate equipment and/or polymer.Therefore, surface can be adjusted Transparency with increase at display surface provide display image contrast.For example, by making display surface dimmed to increase The contrast of display image, the transparency of display surface can be reduced under bright daylight.Can be automatically (for example, response The light (such as ultraviolet light) of specific wavelength is exposed in display surface, or in response to by photodetector (such as photocell eye (photoeye)) the signal of generation) or manually (for example, beholder by the passenger such as in vehicle etc) control should Regulation.
In another example, one or more scanning projector equipment can be used to from single projector in vehicle Interior each opening position provides display image.In one embodiment, single projector equipment can be used, it being capable of scanning car Whole inside to provide display on several surface of vehicle.
In one embodiment, each projector apparatus by the part of the output beam received from light source (for example, passing through Optical multiplexer) spatial light modulator is directed to, the spatial light modulator is being set with use by projecting apparatus of can encouraging The illumination that the standby optical fiber being coupled to provides, forms the image from the light received.
In one embodiment, projector apparatus includes speckle reduction adjustable optical components and scanning adjustable optical components, As for example described in Gollier U.S. Patent Application Publication No.2012/0013812, the disclosure of which exists This is incorporated herein by reference in their entirety.Speckle, which reduces adjustable optical components and scanning adjustable optical components, can include one or more Individual controllable and moveable Micro-optical Electro Mechanical system (MOEMS) or microelectromechanical systems (MEMS).It is also contemplated that MOEMS or MEMS is operatively coupled to be configured as correspondingly to reboot the mirror or prism of light beam.
In another embodiment, projector apparatus can include the light tune for being configured for selectively supplying display image Device processed.As an example, the light modulation received can be black by optical modulator, so as to by the display from the projector apparatus Image " closing ".For scanning projector equipment, the light received can be modulated into black, until reaching desired display table Face and then light can be modulated to provide image.Projector apparatus can be used to the different positions in different time or vehicle Put offer to show, or once can all used.Only as an example, optical modulator can be digital micromirror array, liquid Brilliant equipment or the linear diffraction grating of scanning.
Projecting apparatus can be configured to, upon specific display and require to provide various types of displays.Projector apparatus The control process unit that by projector apparatus image can be controlled to be formed can be coupled to.
Projector apparatus can further provide for interactive display, such as example in Gollier U.S. Patent Application Publication Described in No.2011/0267262, the disclosure of which is integrally incorporated in this by quoting herein.In certain embodiments, Projector apparatus includes detection device, and the detection device collects the presence of light and the object based on such as indicator or finger etc And the change of collected light is determined, the object is located in the illuminable area of display image and with different from display surface Light scattering characteristic.Therefore, detection device determines that control process unit can be provided to for collected by further handling Light power change.Detection device can be used for various interactive display methods, although can use other equipment or System to provide interactive display from one or more projector apparatus.In other embodiments, display surface includes touching table Face, such as similar to the touch-surface being used on conventional consumer-elcetronics devices.
Control process unit includes processor, memory and communication interface, all these by bus or other link quilts It is coupled, although component, part, equipment, system and the element of the other quantity and type in other configurations and position It can be used.Computing device in control process unit is such as by the way that embodiment described herein this described and illustrated public affairs The program of the instruction stored for the one or more aspects opened, although processor can perform the programming of other quantity and type Instruction.For example, processor can include one or more CPU with one or more process cores or general place Manage device.
Memory storage in control process unit is directed to the one or more of the disclosure as herein described and depicted The instruction of these programmings of aspect, but some or all of instruction programmed can be stored and/or held elsewhere OK.Such as by be coupled to the magnetic of processor, optics or other read and/or writing system read and/or write-in Random access memory (RAM) or read-only storage (ROM) or floppy disk, hard disk, CD ROM, DVD ROM or other in system The various types of memory storage device of computer-readable medium etc can be used as memory.
Communication interface in control process unit is used for via communication network in control process unit and one or more It is operatively coupled and communicates between other individual computing devices, although other of connection and configuration with other types and quantity The communication network of type and quantity can be used.Communication network can include one or more LANs (LAN) and/or wide area Net (WAN).Only as an example, communication network can use the TCP/IP and industry-standard protocol for example on Ethernet, including it is super Text transfer protocol (HTTP) and/or secure HTTP (HTTPS), although the communication network of other types and quantity can also be made With.Only as an example, control process unit can communicate with on-vehicle vehicle computer or one or more user equipmenies, to obtain The information to be shown by projector apparatus.
In one example, vehicle optical projection system further comprises being coupled to projector apparatus or control process unit One or more cameras so that the data (for example, view data) from camera can be transferred to projector apparatus or Control process unit and/or it is projected instrument equipment or control process unit and receives.One or more cameras can be positioned Into the image for the environment for catching outside vehicle.In one example, camera can be positioned so as to generally by by the branch of vehicle The region for the outside vehicle that post stops is imaged.Camera can be imaged to the region, and supply images to projection Thus instrument equipment improves the holistic vision of driver to be shown on the inner surface of pillar.In another example, only it is used as and shows Example, one or more cameras can be positioned to be imaged the region of vehicle interior, such as obtain the youngster in rear seat for vehicle Virgin image.These images can be provided to the projector apparatus that can be seen by the passenger of vehicle front, to monitor vehicle The children at rear.It is expected that various other purposes of the one or more cameras combined with vehicle optical projection system.One In individual example, the image from two cameras can be fed to single projector equipment (or multiple projector apparatus), with For being shown as autostereoscopic image at display surface.
In another embodiment, vehicle optical projection system also include be coupled to one or more of projector apparatus or The eye position tracking equipment of control process unit.Eye position tracking equipment is oriented to track and determines the passenger in vehicle Eye position.Eye position tracking equipment determines eye position, and transmits that information to or personal projector apparatus or control Processing unit processed.Then the scanning element in projector apparatus is changed to be carried as certain viewing angles corresponding with the eye position of passenger For display image.In one example, in response to the change of the eye position detected, display image is by from the first display surface It is moved to second display surface different from the first display surface.Therefore, display image can be moved to corresponding to beholder The position (that is, specific display surface) seen.
Another aspect of the disclosure is related to a kind of vehicle for including vehicle optical projection system.One or more display surface quilts It is configured to receive one or more display images from two or more projector apparatus.
The surface for being specially adapted for being particularly shown application can be used using the vehicle of vehicle optical projection system.As an example, Display surface can include windshield, window, mirror, pillar, the side panel of door, headrest, instrument board, console or vehicle Seat, or its any part, although the other surfaces in vehicle can be used.
In one embodiment, the display surface of vehicle can be modified for limiting visual angle with various diffraction elements. As an example, visual angle can be limited to provide the display that vehicle driver will not be made to divert one's attention to passenger, or cause each multiply Visitor can have themselves display.In another example, single display surface can regard to two or more different Angle provides different display images (for example, the different diffraction members organized by the way that different display images to be projected to display surface On part).Extra modification can be carried out to display surface to apply to adapt to other displays.In one example, display surface can To provide sound together with display with speaker combination, and reduce the flicker in display image.For example, advanced by sound wave It can help to reduce the flicker in displayed image by the vibration of display surface caused by display surface.In another example In, display surface is configured to show autostereoscopic image, such as projects on biconvex lens film.Again another show In example, speckle reduces diffusing surface and can be placed in the light path prior to display surface to reduce speckle, such as U.S. in Gollier State patent No.8, described in 678,599, the disclosure of which is incorporated herein by reference in their entirety herein.
Further aspect of the invention is related to a kind of method that multiple opening positions in vehicle provide display image.The party Method includes providing vehicle optical projection system.Output beam is separated among two or more optical fiber.Separated output beam passes through Two or more optical fiber are directed into two or more projector equipments.Using from the light that output beam receives by one or more Individual display image is selectively supplied to one or more of vehicle display surface.
In operation, light source provides output beam.Output beam, which is split, equipment separation or to be multiplexed to will pass through optical fiber quilt There is provided among two or more projector apparatus.Output beam can be selectively separated among projector apparatus, with Only light is provided to those just adopted display devices.Further, depending on the display of each use in projector apparatus should With the power of output beam can unequally be separated among projector apparatus.For example, it will show that only text is shown (all Such as the image of speed that vehicle is travelling) projecting apparatus can need the power fewer than the projecting apparatus for showing video.Cause Luminous power, can optically be assigned to projection by this using optical multiplexer based on display application in one embodiment Instrument equipment.Additionally or alternatively, in one embodiment can be using optical multiplexer with based on security or other polices Luminous power is optically assigned to projector apparatus by the presence for condition of lodging a complaint with.It is selected as example, multiplexer can increase to The power of the projecting apparatus of display security or other warning images is (for example, to indicate the pedestrian such as in vehicle route or car Etc object presence), its cost is to show other projecting apparatus of less urgent image (for example, entertaining images).
Projector apparatus receives the light from light source and provides one or more display images on a display surface.As showing Example, the image provided by projector apparatus can be controlled by control process unit.Control process unit can be from other equipment (on-vehicle vehicle computer, smart phone, one or more cameras etc.) receive one in vehicle to be displayed or Data at multiple display surfaces.Various display applications are expected using this technology.In one embodiment, display can be in response to Shown in the finger of user or the interactive of position of indicator.
Although optical projection system is described in vehicle herein, other embodiment is included in the disclosure. In various embodiments, display surface described herein can be incorporated into such as automobile vehicle, ship and aircraft (such as mirror, Pillar, the side panel of door, headrest, the seat of instrument board, console or vehicle, or its any part), building fixture or structure (such as the inwall of building or outer wall or floor), electrical equipment (such as refrigerator, baking box, stove, washing machine, dryer or another Electrical equipment), consumer electronic devices (such as television set, laptop computer, computer monitor and such as mobile phone, flat board electricity The hand-held electronic device of brain and music player etc), furniture, information kiosk, retail stall etc..Therefore, optical projection system can be by It is used for a variety of applications for display image on a display surface.
Although describing preferred embodiment in detail herein, those skilled in the relevant art are readily apparent that, Various modifications, addition can be carried out without departing from the spirit of the invention, replaced etc., and therefore these are considered In the scope of the present invention defined in following claims.

Claims (30)

1. a kind of vehicle optical projection system, including:
Light source, it is configured to provide output beam;
Light-dividing device, the light source is coupled to receive the output beam;
Two or more optical fiber, the light-dividing device is coupled to receive the output light of the separation from the light-dividing device Beam;And
Two or more projector apparatus, each projector apparatus are coupled at least one in described two or multiple optical fiber Optical fiber, described two or multiple projector apparatus are configured to use the light received from the output beam in vehicle one One or more display images are provided on individual or multiple display surfaces.
2. vehicle optical projection system according to claim 1, wherein the light source includes one or more lasers.
3. the vehicle optical projection system according to claim 1 or claim 2, wherein the light source includes one or more admittedly State light source.
4. vehicle optical projection system according to any one of claim 1 to 3, wherein, the light-dividing device includes optical splitter.
5. vehicle optical projection system according to any one of claim 1 to 3, wherein, it is more that the light-dividing device includes optics Path multiplexer.
6. vehicle optical projection system according to any one of claim 1 to 5, wherein, the light-dividing device is configured to base The output beam is unequally separated in the display requirement of described two or multiple projector apparatus.
7. vehicle optical projection system according to any one of claim 1 to 6, wherein, described two or multiple projecting apparatus are set Each projector apparatus in standby includes the optical modulator for being configured to optionally provide the display image, and described Optical modulator is selected from the group being made up of digital micromirror array, liquid crystal apparatus and the linear diffraction grating of scanning.
8. vehicle optical projection system according to any one of claim 1 to 7, wherein, described two or multiple projecting apparatus are set At least one projector apparatus in standby includes being configured to provide display image on multiple display surfaces of the vehicle Scanning laser projecting apparatus.
9. vehicle optical projection system according to any one of claim 1 to 8, wherein, one or more of display surfaces Windshield, window, mirror, pillar, the side panel of door, headrest, instrument board, console, seat or their times including vehicle One or more of what part.
10. vehicle optical projection system according to any one of claim 1 to 9, further comprise being coupled to described two Or one or more cameras of multiple projector apparatus, one or more of cameras be oriented to catch image for It is shown at least one display surface in one or more of display surfaces of the vehicle.
11. vehicle optical projection system according to any one of claim 1 to 10, further comprise being coupled to described two Or the eye position tracking equipment of multiple projector apparatus, the eye position tracking equipment are configured to determine in the vehicle At least one passenger visual angle, wherein at least one projector apparatus in described two or multiple projector apparatus is based on institute The visual angle of determination provides display image.
12. the vehicle optical projection system according to any one of claim 1 to 11, wherein, described two or multiple projecting apparatus At least one projector apparatus in equipment be coupled to vehicle on-board computer with from the vehicle on-board computer receive with The related one or more data item of the vehicle in display image for showing.
13. the vehicle optical projection system according to any one of claim 1 to 12, wherein, described two or multiple projecting apparatus At least one projector apparatus in equipment also includes being configured to the inspection that detection is moved relative to the user of the display image Measurement equipment.
14. the vehicle optical projection system according to any one of claim 1 to 13, wherein, one or more of display tables At least one display surface in face includes diffraction element, at least one aobvious in one or more of display images to limit The visual angle of diagram picture.
15. a kind of vehicle, including the vehicle optical projection system according to any one of claim 1 to 14.
16. a kind of provide display in the vehicle including the vehicle optical projection system according to any one of claim 1 to 14 The method of image, methods described include:
The output beam is separated among described two or multiple optical fiber;
Separated output beam is directed to described two or multiple projector equipments by described two or multiple optical fiber;And
Optionally projected to the display image in vehicle using the light received from separated output beam described one Individual or multiple display surfaces.
17. according to the method for claim 16, wherein the separation further comprises based on described two or multiple projections The display requirement of instrument equipment unequally separates at least one output beam.
18. according to the method described in claim 16 or claim 17, further comprise:
The image of environment is caught using the one or more cameras being positioned on the vehicle;And
Caught environment is shown at least one display surface in one or more of display surfaces of the vehicle Image.
19. the method according to any one of claim 16 to 18, further comprises:
The eye position of at least one passenger in the vehicle is tracked using eye position tracks of device;
The visual angle of at least one passenger in vehicle is determined based on the eye position tracked;And
Based on identified visual angle the display image is provided from least one projecting apparatus in described two or multiple projecting apparatus.
20. a kind of vehicle optical projection system, including:
Light source, it is configured to provide output beam;
Projector apparatus, is coupled to the light source, and the projector apparatus is configured to use and received from the output beam Light provide one or more display images at least two different display surfaces in vehicle.
21. vehicle optical projection system according to claim 20, wherein the light source includes one or more lasers.
22. according to the vehicle optical projection system described in claim 20 or claim 21, wherein the light source includes one or more Individual solid state light emitter.
23. the vehicle optical projection system according to any one of claim 20 to 22, wherein, the projector apparatus includes quilt Be configured to optionally provide the optical modulator of the display image, and the optical modulator be selected from by digital micromirror array, The group of liquid crystal apparatus and the linear diffraction grating of scanning composition.
24. the vehicle optical projection system according to any one of claim 20 to 23, wherein, the projector apparatus includes quilt It is configured to provide the scanning laser projecting apparatus of display image on described at least two different display surfaces of the vehicle.
25. the vehicle optical projection system according to any one of claim 20 to 24, wherein, the display surface includes described Windshield, window, mirror, pillar, the side panel of door, headrest, instrument board, console, seat or their any portion of vehicle One or more of point.
26. the vehicle optical projection system according to any one of claim 20 to 25, further comprise being coupled to the throwing One or more cameras of shadow instrument equipment, one or more of cameras are oriented to catch image for being shown in State at least one display surface in one or more of display surfaces of vehicle.
27. the vehicle optical projection system according to any one of claim 20 to 26, further comprise being coupled to the throwing The eye position tracking equipment of shadow instrument equipment, the eye position tracking equipment are configured to determine at least one in the vehicle The visual angle of individual passenger, wherein the projector apparatus can be moved to provide display image based on identified visual angle.
28. the vehicle optical projection system according to any one of claim 20 to 27, wherein, the projector apparatus is coupled To vehicle on-board computer with from the vehicle on-board computer receive one or more data item related to the vehicle with For being shown in display image.
29. the vehicle optical projection system according to any one of claim 20 to 28, wherein, the projector apparatus is further The detection device moved including being configured to detection relative to the user of the display image.
30. a kind of vehicle, including the vehicle optical projection system according to any one of claim 20 to 29.
CN201680044387.8A 2015-06-02 2016-06-01 Vehicle optical projection system Withdrawn CN107848419A (en)

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US20180147985A1 (en) 2018-05-31
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